Many synthetic air “fresheners” release toxic substances, including carcinogens and chemicals that can affect our respiratory, neurological and reproductive systems. These products are suspected of triggering asthma, headaches and a range of other health problems associated with indoor air pollution.

Keep in mind that a “natural” or “green” label on an air freshener product does not necessarily mean that it is. Beware “fragrance-free” products too: these often contain odour-masking chemicals.

The basis of a nice-smelling home is, firstly, to keep it clean, and reduce sources of bad odours. Secondly, it needs good ventilation -- as much through-flow of fresh air as possible.

That's sufficient, really, but if you want to sweeten the deal, there are plenty of non-toxic ways to do so. A few ideas:

Small open containers of bicarbonate of soda (baking powder) to absorb odours. Bicarb doubles as a household cleaner.

Wiping surfaces with white vinegar, which is also a natural de-odoriser and cleaner. (The vinegar smell disperses quickly.) Lemon juice works too, and you can add some to the vinegar.

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The information on Health24 is for educational purposes only, and is not intended as medical advice, diagnosis or treatment. If you are experiencing symptoms or need health advice, please consult a healthcare professional. See additional information.